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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.orchestra.frameworkAdapter;
20  
21  import org.apache.myfaces.orchestra.conversation.ConversationMessager;
22  import org.apache.myfaces.orchestra.lib.OrchestraException;
23  import org.apache.myfaces.orchestra.lib._ClassUtils;
24  
25  /**
26   * Utility methods for the internal use of Orchestra only.
27   * 
28   * @since 1.1
29   */
30  public abstract class _FrameworkAdapterUtils
31  {
32      public static ConversationMessager createConversationMessager(String className, Class dfltClass)
33      throws OrchestraException
34      {
35          if (className == null)
36          {
37              return (ConversationMessager) _ClassUtils.newInstance(dfltClass);
38          }
39  
40          // First try to find a bean of that name in the dependency-injection
41          // framework.
42          FrameworkAdapter fa = FrameworkAdapter.getCurrentInstance();
43          Object instance = fa.getBean(className);
44          if (instance instanceof ConversationMessager)
45          {
46              return (ConversationMessager) instance;
47          }
48  
49          // Now resort to trying the value as a classname.
50          return (ConversationMessager) _ClassUtils.newInstance(className);
51      }
52  
53  }